Question

Photography Darkroom Questions: -

- Which chemical reduces surface tension on the film and is like Rain-X for your car?
- What chemical makes your film or paper insensitive to light?
- What does print washing do?

Answer 1

Answer:two organic methyl groups attached to inorganic silicon-oxygen — forms a thin layer on the windshield, and the methyl groups provide low surface tension

Step-by-step explanation:

The sensitive elements in the film are crystals

it will very effectively wash prints with a moderate flow of water and it should do so almost forever since it is nearly indestructible.